<template>
  <el-dialog
    title="筛选模板消息目标用户"
    :close-on-click-modal="false"
    :lock-scroll="false"
    :visible.sync="visible">
    <el-form :inline="true" :model="dataForm" ref="dataForm" clearable @keyup.enter.native="getWxUsers()">
      <el-form-item>
        <el-select v-model="dataForm.tagid" filterable placeholder="用户标签" @change="getWxUsers()">
          <el-option v-for="item in wxUserTags" :key="item.id" :label="item.name" :value="item.id+''"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-input v-model="dataForm.nickname" placeholder="昵称" @change="getWxUsers()" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-input v-model="dataForm.remark" placeholder="备注" @change="getWxUsers()" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-input v-model="dataForm.qrScene" placeholder="扫码场景值" @change="getWxUsers()" clearable></el-input>
      </el-form-item>
    </el-form>
    <div class="text-bold">本消息将发送给：</div>
    <div class="user-list" v-loading="wxUsersLoading">
      <div class="user-card" v-for="item in wxUserList" :key="item.openid">
        <el-avatar :src="item.headImgUrl"></el-avatar>
        <div class="nickname">{{item.nickname}}</div>
      </div>
      <div class="text-bold">
        <span v-show="totalCount>10">...</span>
        等共<span class="text-success">{{totalCount}}</span>个用户
      </div>
    </div>
    <div class="margin-top text-bold">消息预览：</div>
    <div class="margin-top-xs">
      <el-input type="textarea" disabled autosize v-model="msgReview" placeholder="模版"></el-input>
    </div>
    <span slot="footer" class="dialog-footer">
            <el-button @click="send" type="success"
                       :disabled="totalCount<=0 || sending">{{sending ? '发送中...' : '发送'}}</el-button>
            <el-button @click="visible=false">关闭</el-button>
        </span>
  </el-dialog>
</template>
<script>
import {mapState} from 'vuex'

export default {
  name: 'template-msg-task',
  props: {
    wxUserTagName: {
      type: String,
      required: false
    }
  },
  data () {
    return {
      visible: false,
      wxUsersLoading: false,
      sending: false,
      msgTemplate: {},
      dataForm: {
        page: 1,
        sidx: 'subscribe_time',
        order: 'desc',
        tagid: '',
        nickname: '',
        remark: '',
        qrScene: ''
      },
      wxUserList: [],
      totalCount: 0
    }
  },
  computed: mapState({
    wxUserTags: state => state.wxUserTags.tags,
    msgReview () {
      if (!this.msgTemplate.data) {
        return ''
      }
      let content = this.msgTemplate.content
      this.msgTemplate.data.forEach(item => {
        content = content.replace('{{' + item.name + '.DATA}}', item.value)
      })
      return content
    }
  }),
  mounted () {
    this.getWxUserTags().then((taglist) => {
      if (this.wxUserTagName) {
        let tagItem = taglist.find(tag => tag.name === this.wxUserTagName)
        console.log(tagItem)
        if (tagItem) {
          this.dataForm.tagid = tagItem.id + ''
        }
      }
      this.getWxUsers()
    })
  },
  methods: {
    init (msgTemplate) {
      if (!msgTemplate || !msgTemplate.templateId) {
        this.$message.error('消息模板无效')
        return
      }
      if (!msgTemplate.data || !(msgTemplate.data instanceof Array)) {
        this.$message.error('请现配置此模板填充数据')
        return
      }
      this.msgTemplate = msgTemplate
      this.visible = true
    },
    getWxUserTags () {
      return new Promise((resolve, reject) => {
        this.$http({
          url: '/manage/wxUserTags/list',
          method: 'get'
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.$store.commit('wxUserTags/updateTags', data.data)
            resolve(data.data)
          } else {
            this.$message.error(data.msg)
            reject(data.msg)
          }
        }).catch(err => reject(err))
      })
    },
    getWxUsers () {
      this.wxUsersLoading = true
      this.$http({
        url: '/manage/wxUser/list',
        method: 'get',
        params: this.dataForm
      }).then(({data}) => {
        if (data && data.code === 0) {
          this.wxUserList = data.data.list
          this.totalCount = data.data.totalCount
        }
        this.wxUsersLoading = false
      })
    },
    send () {
      if (this.sending) {
        return
      }
      this.sending = true
      this.$http({
        url: '/manage/msgTemplate/sendMsgBatch',
        method: 'post',
        data: {
          wxUserFilterParams: this.dataForm,
          templateId: this.msgTemplate.templateId,
          url: this.msgTemplate.url,
          miniprogram: this.msgTemplate.miniprogram,
          data: this.msgTemplate.data
        }
      }).then(({data}) => {
        this.sending = false
        if (data && data.code === 0) {
          this.$message.success('消息将在后台发送')
          this.visible = false
        }
      })
    }
  }
}
</script>
<style scoped>
.user-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.user-card {
  overflow: hidden;
  max-width: 60px;
  margin: 5px;
  text-align: center;
}

.nickname {
  color: #999999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
</style>
